13274993 has 2 divisors, whose sum is σ = 13274994. Its totient is φ = 13274992.

The previous prime is 13274969. The next prime is 13274999. The reversal of 13274993 is 39947231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7360369 + 5914624 = 2713^2 + 2432^2 .

It is an emirp because it is prime and its reverse (39947231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13274993 - 2¹⁰ = 13273969 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13274999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6637496 + 6637497.

It is an arithmetic number, because the mean of its divisors is an integer number (6637497).

Almost surely, 2^13274993 is an apocalyptic number.

It is an amenable number.

13274993 is a deficient number, since it is larger than the sum of its proper divisors (1).

13274993 is an equidigital number, since it uses as much as digits as its factorization.

13274993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 38.

The square root of 13274993 is about 3643.4863798291. The cubic root of 13274993 is about 236.7798640753.

The spelling of 13274993 in words is "thirteen million, two hundred seventy-four thousand, nine hundred ninety-three".